package thread;

import sun.nio.ch.ThreadPool;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadPool = Executors.newFixedThreadPool(2);


        for (int i=0;i<5;i++){
            Runnable r = new Runnable() {
                public void run() {
                    Thread t = Thread.currentThread();
                    System.out.println(t.getName()+"正在执行任务...");
                    try {
                        Thread.sleep(10000);
                    } catch (InterruptedException e) {
                    }
                    System.out.println(t.getName()+"任务执行完毕!!!");
                }
            };
            threadPool.execute(r);
            System.out.println("指派了一个任务给线程池!");
        }

        //threadPool.shutdownNow();
        threadPool.shutdown();
        System.out.println("线程池关闭了!");
    }
}
